configs/stm32vldiscovery: Changed the status LED to be the green one as mentioned in the README file. Removed the global array for buttons and replace it with the only button. Improve defconfig for the nsh configuration.

configs/stm32vldiscovery/nsh/defconfig

@@ -19,25 +19,25 @@ CONFIG_ARCH_BOARD_STM32VL_DISCOVERY=y
 CONFIG_ARCH_CHIP_STM32=y
 CONFIG_ARCH_CHIP_STM32F100RB=y
 CONFIG_ARCH_STACKDUMP=y
-CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYW=y
 CONFIG_BOARD_LOOPSPERMSEC=2398
 CONFIG_BUILTIN=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEFAULT_SMALL=y
 CONFIG_DISABLE_POLL=y
 CONFIG_EXAMPLES_NSH=y
-CONFIG_FAT_LCNAMES=y
-CONFIG_FAT_LFN=y
-CONFIG_FS_FAT=y
-CONFIG_HOST_WINDOWS=y
+CONFIG_IDLETHREAD_STACKSIZE=128
 CONFIG_INTELHEX_BINARY=y
-CONFIG_MAX_TASKS=16
+CONFIG_MAX_TASKS=4
 CONFIG_MAX_WDOGPARMS=2
-CONFIG_NFILE_DESCRIPTORS=8
-CONFIG_NFILE_STREAMS=8
+CONFIG_NFILE_DESCRIPTORS=4
+CONFIG_NFILE_STREAMS=4
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_PREALLOC_MQ_MSGS=4
-CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_TIMERS=0
 CONFIG_PREALLOC_WDOGS=4
+CONFIG_PTHREAD_STACK_DEFAULT=128
+CONFIG_PTHREAD_STACK_MIN=128
 CONFIG_RAM_SIZE=8192
 CONFIG_RAM_START=0x20000000
 CONFIG_RAW_BINARY=y
@@ -45,6 +45,7 @@ CONFIG_RR_INTERVAL=200
 CONFIG_RTC=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_STDIO_BUFFER_SIZE=0
 CONFIG_STM32_BKP=y
 CONFIG_STM32_JTAG_FULL_ENABLE=y
 CONFIG_STM32_PWR=y
@@ -54,5 +55,6 @@ CONFIG_TASK_NAME_SIZE=0
 CONFIG_USART1_RXBUFSIZE=128
 CONFIG_USART1_SERIAL_CONSOLE=y
 CONFIG_USART1_TXBUFSIZE=128
+CONFIG_USERMAIN_STACKSIZE=768
 CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_WDOG_INTRESERVE=0

configs/stm32vldiscovery/src/stm32_buttons.c

@@ -79,7 +79,7 @@ uint32_t board_buttons(void)
 {
   uint32_t ret = 0;
 
-  ret = (stm32_gpioread(g_buttons[i]) == false ? 1 : 0);
+  ret = (stm32_gpioread(GPIO_BTN_0) == false ? 1 : 0);
 
   return ret;
 }

configs/stm32vldiscovery/src/stm32vldiscovery.h

@@ -41,10 +41,10 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-/* LED - assume it is on PC8 */
+/* LED - assume it is on PC9 */
 
 #define GPIO_LED1       (GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz | \
-                         GPIO_OUTPUT_CLEAR | GPIO_PORTC | GPIO_PIN8)
+                         GPIO_OUTPUT_CLEAR | GPIO_PORTC | GPIO_PIN9)
 
 /* BUTTON - assume it is on PA0 */